The shirt he wore at the French Open in 2006 is darker blue...I have one and its more of a "bluer" blue...the shirt he's wearing right now at the USO looks to me like almost the same color as the shirt he wore last year....I saw the blue shirt (that Federer wore in the US Open Series commericials) in a store and didnt really like the design after seeing it in person...what I like out of the fall line now are some of the things from the NYC Group and Heritage.

The shirt he wore at the French Open in 2006 is darker blue...I have one and its more of a "bluer" blue...the shirt he's wearing right now at the USO looks to me like almost the same color as the shirt he wore last year....

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Actually, I'm watching his match on TV right now and his shirt really is almost the same color as the one he wore at the French Open last year, much darker than the light blue macro sphere crew shirt he wore at the US Open last year, which was more of a baby or sky blue.

Actually, I'm watching his match on TV right now and his shirt really is almost the same color as the one he wore at the French Open last year, much darker than the light blue macro sphere crew shirt he wore at the US Open last year, which was more of a baby or sky blue.

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Actually, on closer inspection, I think the shirt he wearing today is even a darker blue than his blue French Open shirt from last year:

it even looks like this Aus'08 shirt is his current 'unkown shirt' at the Open...

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It does look just like the blue '08 Aussie Open shirt that Federer is supposed to be wearing next year. Perhaps he got confused and wore that shirt too early by mistake? Maybe he was thinking - "Australian Open...US Open...both Grand Slams on hardcourts so what's the difference, right?" LOL